Once synthesized, the histones move into the cell nucleus, where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string.
一旦合成,组蛋白就会进入细胞核,细胞核内的DNA片段会将组蛋白包裹起来,形成一种类似串珠或绳结的结构。
Just as a snowflake requires a nucleus to spur the formation of its intricate crystal structure - a catalyst was required to spur the formation of the desired community.
一片雪花,必须有凝结核才能形成其复杂的晶体结构。在我们期望建立的群体中,同样需要这样的催化剂。
regions on the nucleus. Structure can be seen within the jets.
从彗核的两个区域都可以看到作业执行与传送卫星。
And it has been viewed that the arc region from area postrema, nucleus of solitary tract to ventrolateral reticular structure is the main emetic region.
并认为最后区、孤束核到腹外侧网状结构这一弓型区域是主要催吐部位。
According to the structure and feature of ARM processor, this paper designs a kind of digital storage oscillograph with HMS30C7202 (ARM) as its nucleus.
本文结合ARM处理器的结构及特点,给出了以HMS30C 7202 (ARM)处理器为核心的数字存储示波器的设计。
We review the status of the research on the phase structure and phase transitions of nucleus and strong interacting matter briefly.
简要回顾了原子核和强相互作用物质的相结构及相变研究的现状。
The main structure of the head is nucleus.
头部的主要结构是细胞核。
Uneven constant magnetic field could alleviate the deformation of neuronal nucleus and change of nuclear membrane structure induced by hypoxia.
非均匀恒磁场可缓解缺氧导致神经元的核变形以及核膜结构不光滑等现象。
Through the study on both the internal structure and the nucleus shape in low carbon ductile iron, influencing regularity of the nucleus shape on the graphite spheroidization has been discussed.
研究了低碳球铁中球状石墨的内部结构及核心形状,探讨了核心形状对石墨球化的影响规律。
The influence of the original structure on forming nucleus and growing process of austenite was very sensitive.
原始组织对奥氏体形核及长大过程的影响十分敏感。
The nucleus of the atom is heaviest structure, and it occupies only a fraction of the volume of the atom.
原子核是最重的结构,而它仅仅占据原子体积的一小部分。
The repulsive forces exerted by the protons loosen the structure of the nucleus.
质子施加的斥力使原子核的结构松弛。
The invention discloses application of a compound which is shown in a formula I and has a mother nucleus structure in preparing an MMP-9 enzymatic activity inhibitor.
本发明公开了一种具有如式i所示的母核结构的化合物在制备MMP - 9酶活性抑制剂中的用途。
The nucleus is a spherical, sometimes elongated structure that contains the genetic material, the DNA, of the cell.
细胞核呈球形,有时为卵圆形,含有细胞的遗传物质DNA。
Based on the cluster structure of 4n-nucleus, a parity-dependent potential is derived by using a proper nuclear orbital wave function and the folding method.
基于对4n核结团结构的考虑,采用合理的核轨道波函数,并利用折叠模型导出了质量相近4 N核间的宇称相关势。
Reasonable urban system's structure is framework of regional economy, it is also nucleus and great engine to prompt the development of regional economy.
合理的城镇体系结构是区域经济的骨架,更是带动区域经济增长的极核和强大引擎。
The regulation at both DNA level and chromatin level happen in the nucleus and are closely related to the nuclear structure.
DNA水平和染色体水平上的调控都是在细胞核内发生的,那么就与核内的复杂结构密不可分。
Result All of the infiltration of mesenchymal, the abnormal structure and cell nucleus has diagnosis meaning.
结果结构异常、核异型、间质浸润均有诊断意义。
The nucleolus is the most obvious structure seen in the nucleus of a eucaryotic cell when viewed in the light microscope.
核仁是在光学显微镜下看到细胞核中最明显结构。
The membrane complex area, which lies between the nucleus and the acrosomal region, contains numerous lamellar membrane structure and vesicle which originate from the lamellar membrane structure.
膜复合物区位于核与顶体之间,由许多膜片层结构及其衍生的囊泡共同组成。
This is an attempt to reveal the nucleus structure by the method of atomic physics.
这是用原子物理的方法研究原子核问题的有益尝试。
The image highlights the galaxy's structure: a subtle, reddish bulge surrounding a bright nucleus, a blue disk of stars running parallel to the dust lane, and a transparent outer halo.
该图像突出了星系的结构:一个微妙的,围绕着一个明亮的红色隆起核,并联运行的尘埃带星蓝盘,以及一个透明的外晕。
The image highlights the galaxy's structure: a subtle, reddish bulge surrounding a bright nucleus, a blue disk of stars running parallel to the dust lane, and a transparent outer halo.
该图像突出了星系的结构:一个微妙的,围绕着一个明亮的红色隆起核,并联运行的尘埃带星蓝盘,以及一个透明的外晕。
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